找到约 15 条结果

文章 1000G千人基因组计划人群缩写对照表

...AS 1 1 1 JPT Japanese in Tokyo, Japan EAS 1 1 1 CHS Southern Han Chinese EAS 1 1 1 CDX Chinese Dai in Xishuangbanna, China EAS 1 1 1 KHV Kinh in Ho Chi Minh City, Vietnam EAS 1 1 1 CEU Utah Residents (CEPH) with Northern and Western European Anc...

问题 重测序circos运行失败

... Could not parse value for configuration parameter [max] in block [plot]. The   location in the configuration is shown above.   If you are having trouble debugging this error, first read the best practices   tutorial for helpful tips that address many common problems       http://www.c...

文章 小麦TCP基因家族分析文献解读及原文献下载

...点此链接):Genome-Wide Identification and Expression Profiling of the TCP Family Genes in Spike and Grain Development of Wheat (Triticum aestivum L.).pdf 小麦TCP基因家族分析文献解读 日常科研中你我经会常遇到看不懂的图表,不会挖掘的数据,没有思路的...

文章 生化检测是什么?生化检测试剂盒该怎么选?

...high light stress tolerance in Arabidopsis thaliana [J]. Journal of pineal research, 2018. 这个J Pineal Res期刊,2018年IF=11.613,也是很牛了!! 学霸姐姐大致看了一下,这篇文章主要是讲拟南芥中褪黑激素的诱导及其在高光胁迫下作用,文献报道了...

文章 Linux命令处理文件合并

...e和awk处理: 命令如下: paste file1.txt file2.txt | awk 'BEGIN {OFS="\t"} {print $1, $2, $3, $4 + $11, $5 + $12, $6, $7}'  > result.txt 使用paste命令将两个文件合并,再使用awk命令计算第4列和第5列的和,并保持其他列不变,输出以tab键分隔: aw...

文章 R语言基础入门—因子

...est","West","West","East","North")print(data)print(is.factor(data))# Apply the factor function.factor_data <- factor(data)print(factor_data)print(is.factor(factor_data)) 当我们执行上面的代码,它产生以下结果 : [1] "East" "West" "East" "North" "North" "East" "West" "Wes...

文章 blast 中的e-value值如何理解?

...概念看起来就相对的比较模糊了,官方的定义是e-value:the number of hits you expect to see by chance/false positive . 对于定义里面的“by chance”,也就是随机情况下指的是什么意思不是很了解,随后查阅了一下文献,是这样解释的: by chan...

文章 IF=4.9 | 多倍体割手密IAA基因家族分析鉴定

​“ 2024年7月国际分子科学杂志(International Journal of Molecular Sciences)发表了一篇题为“ Genome-Wide Analysis of the Auxin/Indoleacetic Acid(Aux/IAA) Gene Family in Autopolyploid Sugarcane(Saccharum spontaneum)”的文章,文章鉴定了甘蔗野生种割手密(Saccharum ...

文章 转录组中Count, TPM,FPKM如何计算

...得的read count 数,是如何计算成TPM和FPKM的呢?参考《What the FPKM? A review of RNA-Seq expression units》这篇博客, 1. TPM 公式如下: 2. FPKM 公式如下: 3. TPM与FPKM的关系 对应的R 代码如下: countToTpm <- function(counts, effLen) { rate ...

文章 perl的内置函数scalar

...这一项。 Forces EXPR to be interpreted in scalar context and returns the  value of EXPR. 中文含义:强制表达式EXPR在标量上下文进行解释。 假如,我定义了一个数组@arr=("one","two","three"),该数组在标量环境下返回自身的长度。 print @arr; #列表...

问题 vegan包问题请教

...ci.col = "lightblue", main = "Species Accumulation Curves", xlab = "Number of samples", +      ylab = "Number of  species") > boxplot(all, col = "yellow", add = TRUE, pch = "+") > dev.off() RStudioGD          2

问题 vegan包问题请教

...ci.col = "lightblue", main = "Species Accumulation Curves", xlab = "Number of samples",+      ylab = "Number of  species")> boxplot(all, col = "yellow", add = TRUE, pch = "+")> dev.off()RStudioGD         2 不知道是什么原因

文章 4个样品重测序发PlosOne

...ariation in Melon. Gent D, ed. PLoS ONE. 2016;11(6):e0157524. doi:10.1371/journal.pone.0157524.

文章 GenePred格式

...e Predictions table genePred "A gene prediction." ( string name: "Name of gene" //基因名称 string chrom: "Chromosome name" //染色体名称 char[1] strand: "+ or - for strand" //正负链信息 uint txStart: "Transcription start position" //转录起始位点 uint txEnd: "Trans...

问题 Perl SVG绘图怎么设置背景色

...> 10, #    y  => 10 #)->cdata('hello, world'); # now render the SVG object, implicitly use svg namespace #print $svg->xmlify; my $out = $svg->xmlify; open SF, ">tmp.svg"; print SF $out; 老师,利用上面的代码创建一个  width  => 40,height => 40,的画...